canvas细胞分裂液体融合动画效果代码-html代码-BFW代码库

canvas细胞分裂液体融合动画效果代码

代码语言：html

所属分类：动画

代码描述：canvas细胞分裂液体融合动画效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  


  
  
<style>
html {background:#1d233b}
</style>

  
  
</head>

<body translate="no">
  <canvas id="canvas" width="256" height="256"></canvas>

	<script type="text/javascript">


var canvas = document.getElementById("canvas"),
	ctx = canvas.getContext("2d"),
	tempCanvas = document.createElement("canvas"),
	tempCtx = tempCanvas.getContext("2d"),
	width = 600,
	height = 600,
	threshold = 210,
	colors = {r:255,g:0,b:0}, cycle = 0,
	points = [];

canvas.width = tempCanvas.width = width;
canvas.height= tempCanvas.height= height;

for(var i = 0; i < 30; i++){
	var x = Math.random()*width,
		y = Math.random()*height,
		vx = (Math.random()*2)-1,
		vy = (Math.random()*2)-1,
		size = Math.floor(Math.random()*40)+40;
	
	points.push({x:x,y:y,vx:vx,vy:vy, size:size});
					   
};

function update(){
	var len = points.length;
	tempCtx.clearRect(0,0,width,height);
	while(len--){
		var point = points[len];
		point.x+=point.vx;
		point.y+=point.vy;
		
		if(point.x > width+point.size){
			point.x = 0-point.size;
		}
		if(point.x < 0-point.size){
			.........完整代码请登录后点击上方下载按钮下载查看